{"instruction": "You are an expert in event argument extraction. Please extract event arguments and their roles from the input that conform to the schema definition, which already includes event trigger words. If an argument does not exist, return NAN or an empty dictionary. Please respond in the format of a JSON string.", "schema": [{"event_type": "adverse event", "arguments": ["Treatment.Dosage", "Subject.Race", "Combination.Drug", "Effect", "Subject.Age", "Subject", "Treatment", "Subject.Gender", "Treatment.Time_elapsed", "Treatment.Route", "Treatment.Drug", "Subject.Population", "Subject.Disorder", "Treatment.Freq"]}], "input": "Such a rapid and relentless progression of methyldopa-induced liver injury is undoubtedly rare, but it may be prevented by careful supervision of patients who exhibit liver function abnormalities early in the course of therapy."}
{"adverse event": [{"Treatment.Dosage": "NAN", "Subject.Race": "NAN", "Combination.Drug": "NAN", "Effect": "liver injury", "Subject.Age": "NAN", "Subject": "NAN", "Treatment": "methyldopa", "Subject.Gender": "NAN", "Treatment.Time_elapsed": "NAN", "Treatment.Route": "NAN", "Treatment.Drug": "methyldopa", "Subject.Population": "NAN", "Subject.Disorder": "NAN", "Treatment.Freq": "NAN"}]}